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Problem set. Graph Theory Problems


IDTitleSourceAuthorsDifficulty

1004Sightseeing TripCentral European Olympiad in Informatics 19992680582

1008Image EncodingUSTU PhysTech Cup 20004265366

1016Cube on the WalkUSU Local Contest. 19991889820

1022Genealogical TreeAutumn School Contest 200010986142

1033LabyrinthUral Championship 19996563236

1035Cross-stitchUral Championship 199911221367

1040Airline CompanyUSU Championship 200015261001

1045Funny GameUSU Local Contest. March 20002907521

1056Centers of the NetNEERC 2000 Central Subregional2744550

1065FrontierNEERC 200010091408

1069Prufer CodeUSU Personal Contest 20012688517

1072RoutingUSU Personal Contest 20012767502

1076Trash1941711

1077Travelling Tours1257396

1080Map ColoringWinter Mathematical Festival Varna 20017257190

1085MeetingSpring School Contest 20012178625

1096Get the Right Route Plate!USU Local Contest. March 20011823709

1099Work Scheduling10111151

1106Two TeamsTetrahedron Team Online Contest May 2001675774

1109ConferenceBulgarian Online Contest September 20011999250

1119MetroAutumn School Contest 2001717770

1124MosaicUSU Championship 20011674298

1128Partition into GroupsUSU Championship 20011210412

1129Door PaintingUSU Championship 20011227406

1136ParliamentNEERC 2001 Central Subregional5025100

1137Bus RoutesNEERC 2001 Central Subregional1548323

1145Rope in the LabyrinthDSAP Vietnam Online Contest November 20011404356

1156Two RoundsUral Championship 2001. Round 21522328

1160NetworkNEERC 2001 Northern Subregional3476146

1162Currency ExchangeNEERC 2001 Northern Subregional2551196

1176HyperchannelsUSU Personal Contest 20021498334

1182Team Them Up!NEERC 2001971514

1198Jobbery1062489

1199Mouse1313405

1205By the Underground or by Foot?USU Local Contest. March 20022119237

1208Legendary Teams ContestUSU Local Contest. March 20022356213

1210Kind SpiritsAutumn School Contest 20023105163

1218Episode N-th: The Jedi TournamentUSU Championship 20021563323

1227Rally ChampionshipNEERC 2002 Central Subregional1677302

1237Evacuation PlanNEERC 2002508985

1242WerewolfUSU Personal Contest 20032885176

1250Sea BurialUSU Local Contest. March 2003690730

1254Die HardUSU Local Contest. March 2003783645

1270UnicubeUSU Championship 20032052395

1271Sailing DirectionsUSU Championship 20031014638

1272Non-Yekaterinburg SubwayUSU Championship 20033488147

1277Cops and ThievesNEERC 2003 Central Subregional642790

1280Topological SortingNEERC 2003 Central Subregional3629142

1281River BasinNEERC 2003 Central Subregional3631381

1291Gear-wheelsSpring School Contest 20041334385

1301Cube in LabyrinthUral Championship 1998688741

1314Chase in SubwayUral Championship 2004. Round 1869589

1315MDPAR and MIIARUral Championship 2004. Round 12691855

1320Graph DecompositionUral Championship 2004. Round 21792287

1323ClassmatesUral Championship 2004. Round 2616827

1325DirtUral Championship 2004. Round 2952538

1329Galactic HistoryAutumn School Contest 20041121460

1337BureaucracyAutumn School Contest 20043251553

1338AutomobilesUSU Championship 20042811793

1339BabiesUSU Championship 2004596861

1358CablesSpring School Contest 2005952543

1361Spaceology vs. ChronisticsUral Championship 2005. Round 22571957

1367Top SecretUral Championship 2005. Round 21643004

1379Cups TransportationUral Championship 2005. Round 1847611

1392Dreaming of Stars673767

1399Economical Director3710212

1400Cellular CharactersAutumn School Contest 2005942550

1416ConfidentialUSU Championship 20051314395

1419Maps of the Island WorldsUSU Championship 20054181221

1421Credit OperationsTimus Top Coders: First Challenge929545

1434Buses in VasyukiUSU Personal Contest 2006560895

1441From the History of Gringotts BankUral Championship 20064331146

1447Portkey NetworkUral Championship 2006502991

1449Credit Operations 2Timus Top Coders: Second Challenge3291489

1450Russian PipelinesTimus Top Coders: Second Challenge3293153

1479Scheduled CheckingPetrozavodsk Summer 2006. Ural+Orel Contest994491

1487Chinese FootballUSU Championship 20063731275

1500Pass LicensesNEERC 2006 Eastern Subregional750640

1505Oil TransferNEERC 2006 Eastern Subregional1582895

1527Bad RoadsPetrozavodsk Winter 2007. D.Gozman Contest3971168

1533Fat HobbitsUSU Personal Contest 2007469990

1544Classmates 3Ural Championship 20073651253

1557Network AttackPetrozavodsk Summer 2007. NSU Contest2451787

1569Networking the “Iset”USU Championship 2007484920

1575Yekaterinburg Subway 2Autumn School Contest 2007517861

1580Dean's DebtsAutumn School Contest 2007496897

1610CactusesUral Championship 20082062031

1623Fractal LabyrinthPetrozavodsk Winter 2008. ITMO Contest1263136

1630TalismanUSU Championship 20084051016

1641DutiesAutumn School Contest 2008824504

1643Attack of the Dark FortressAutumn School Contest 2008978426

1651Shortest SubchainNEERC 2008 Eastern Subregional1210344

1652Banking CrisisNEERC 2008 Eastern Subregional1442727

1664Pipeline TransportationPetrozavodsk Winter 2008. USU Contest2011971

1676Mortal KombatPetrozavodsk Summer 2008. USU Contest2281740

1691Algorithm ComplexityPetrozavodsk Winter 2009. USU Contest1203145

1699Turning TurtlesPetrozavodsk Winter 2009. USU Contest3681081

1709Penguin-AviaUral Championship 20092642153

1721Two Sides of the Same CoinNEERC 2009 Eastern Subregional667578

1742Team buildingPetrozavodsk Summer 2009. Ufa SATU Contest1229309

1770The Party of Ural ChampionsUral Championship 20102061745

1806Mobile TelegraphsNEERC 2010 Eastern Subregional1894190

1833Hopes of RowingUral Championship 20111612030

1837Isenbaev's NumberUral Championship 2011583459

1847ZamkadyePetrozavodsk Summer 2010. USU Contest674372

1882Old NokiaUral Regional School Programming Contest 20111122738

1888Pilot Work ExperienceNEERC 2011 Eastern Subregional717459

1905Travel in TimeUral Championship 20122631129

1912Titan Ruins: Passing through WallsNEERC 2012 Eastern Subregional2321271

1930Ivan's CarUral Regional School Programming Contest 20121845166

1934Black SpotUral FU Championship 2012856354

1966Cycling RoadsUral FU Personal Contest 2013415683

1980Road to InvestorUral Championship 2013439640

1982Electrification PlanUral FU Championship 20132130132

2013Neither shaken nor stirredNEERC 2014 Eastern Subregional262949

2017Best of a bad lotNEERC 2014 Eastern Subregional1801358

2030Awesome Backup SystemUral Regional School Programming Contest 2014497507

2034CaravansUral Regional School Programming Contest 2014896284

2038Minimum Vertex CoverPetrozavodsk Summer 2014. Ural FU Dandelion Contest952436

2055Urban GeographyUral Championship 20151521510

2093All Roads Lead to SnowdriftUral FU Personal Contest 20141511347

2113Survive the floodUniversity academic school olympiad in informatics 2019363417

2127Determinant of a GraphPetrozavodsk Summer 2018. umnik_team Contest313748

2128Rubina's SolitaireLater is better than never1371015

2132Graph Decomposition. Version 2Later is better than never891507

2140BitMazeCraftUral School Programming Contest 20191141164

2147City BuildingUral School Programming Contest 2019661899

2155QuadrocopterUral School Programming Contest 20201051027

2159EssayUral School Programming Contest 2021371463

2169City Building 2Ural School Programming Contest 2022232080

2174Dualism of NumbersUral School Programming Contest 202336882

2180Need More TasksUral School Programming Contest 2023131763

2187Need More GoldUral School Programming Contest 2024131763

2192My GrandfatherICPC Ural Regional Contest Qualifier 2022211310

2195Binary TreesICPC Ural Regional Contest Qualifier 2023102030

2198Deep UnderstandingICPC Ural Regional Contest Qualifier 2024181447